13811720

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{26561}}^1$

素因数の和:26585

約数の個数: 32

約数和(自身を含む): 33468120

約数和(自身を除く): 19656400

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 26561, 53122, 106244, 132805, 212488, 265610, 345293, 531220, 690586, 1062440, 1381172, 1726465, 2762344, 3452930, 6905860, 13811720]

約数ペア:

[(1, 13811720), (2, 6905860), (4, 3452930), (5, 2762344), (8, 1726465), (10, 1381172), (13, 1062440), (20, 690586), (26, 531220), (40, 345293), (52, 265610), (65, 212488), (104, 132805), (130, 106244), (260, 53122), (520, 26561)]